7389400335660 has 576 divisors, whose sum is σ = 28564916889600. Its totient is φ = 1505252450304.

The previous prime is 7389400335631. The next prime is 7389400335703. The reversal of 7389400335660 is 665330049837.

7389400335660 is a `hidden beast` number, since 7 + 3 + 8 + 9 + 40 + 0 + 33 + 566 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7389400335597 and 7389400335606.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1314135609 + ... + 1314141231.

It is an arithmetic number, because the mean of its divisors is an integer number (49591869600).

Almost surely, 2^{7389400335660} is an apocalyptic number.

7389400335660 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7389400335660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14282458444800).

7389400335660 is an abundant number, since it is smaller than the sum of its proper divisors (21175516553940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7389400335660 is a wasteful number, since it uses less digits than its factorization.

7389400335660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8910 (or 8905 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 7389400335660 in words is "seven trillion, three hundred eighty-nine billion, four hundred million, three hundred thirty-five thousand, six hundred sixty".